/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
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package org.apache.camel.component.kafka.integration;

import java.util.Collections;
import java.util.Properties;
import java.util.stream.StreamSupport;

import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.kafka.KafkaConstants;
import org.apache.camel.component.kafka.MockConsumerInterceptor;
import org.apache.camel.component.kafka.integration.common.KafkaTestUtil;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.kafka.clients.producer.ProducerRecord;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;

public class KafkaConsumerTopicIsPatternIT extends BaseKafkaTestSupport {

    public static final String TOPIC = "vess123d";
    public static final String TOPIC_PATTERN = "v.*d";

    private org.apache.kafka.clients.producer.KafkaProducer<String, String> producer;

    @BeforeEach
    public void before() {
        Properties props = getDefaultProperties();
        producer = new org.apache.kafka.clients.producer.KafkaProducer<>(props);
        MockConsumerInterceptor.recordsCaptured.clear();

    }

    @AfterEach
    public void after() {
        if (producer != null) {
            producer.close();
        }
        // clean all test topics
        kafkaAdminClient.deleteTopics(Collections.singletonList(TOPIC));
    }

    @Override
    protected RouteBuilder createRouteBuilder() {
        return new RouteBuilder() {

            @Override
            public void configure() {
                from("kafka:" + TOPIC_PATTERN
                     + "?topicIsPattern=true&groupId=KafkaConsumerTopicIsPatternIT&autoOffsetReset=earliest"
                     + "&autoCommitIntervalMs=1000&pollTimeoutMs=1000&autoCommitEnable=true&interceptorClasses=org.apache.camel.component.kafka.MockConsumerInterceptor&metadataMaxAgeMs=1000")
                        .to(KafkaTestUtil.MOCK_RESULT);
            }
        };
    }

    @Test
    public void kafkaTopicIsPattern() throws Exception {
        MockEndpoint to = contextExtension.getMockEndpoint(KafkaTestUtil.MOCK_RESULT);

        to.expectedMessageCount(5);
        to.expectedBodiesReceivedInAnyOrder("message-0", "message-1", "message-2", "message-3", "message-4");
        to.allMessages().header(KafkaConstants.TOPIC).isEqualTo(TOPIC);
        // The LAST_RECORD_BEFORE_COMMIT header should not be configured on any
        // exchange because autoCommitEnable=true
        to.expectedHeaderValuesReceivedInAnyOrder(KafkaConstants.LAST_RECORD_BEFORE_COMMIT, null, null, null, null, null);

        for (int k = 0; k < 5; k++) {
            String msg = "message-" + k;
            ProducerRecord<String, String> data = new ProducerRecord<>(TOPIC, "1", msg);
            producer.send(data);
        }
        to.assertIsSatisfied(3000);

        assertEquals(5, MockConsumerInterceptor.recordsCaptured.stream()
                .flatMap(i -> StreamSupport.stream(i.records(TOPIC).spliterator(), false)).count());
    }

}
